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MCS® Microcontroller
Application Specific Family

8XC51SL Microcontroller
The 8XC51SL is an integrated keyboard controller designed for power-sensitive, portable PCs. It offers functions such as a UPI host interface, keyboard scanning, power management, temperature/battery monitoring and external keyboard/mouse interface. Package option includes PQFP 100ld and SQFP 100ld, with 5V and 3.3V operations.

Same instruction set as MCS® 51 controllers; software compatible with 80C51 Synergy.
Preserves design team knowledge and investment; no training required
Integration of 80C42-type host interface and keyboard scan Single-chip solution.
Saves board space and lowers system cost, especially in small notebook environment
Four channels, 8-bit A/D Monitoring.
Battery/CPU temperature and voltage monitoring
Interface for up to 32K of external memory Flexibility.
Accommodates larger code; flexibility in manufacturing flow
Five LED drivers Reduces parts.
Eliminates external discrete components
Two serial interfaces Support.
Provides external serial keyboard and mouse support
Additional power management register set, 3.3V operation Efficiency.
Enhanced power management function; provides greater power savings
100LD PQFP and SQFP packages Saves space.
Small package size for board space savings

83C51KB Microcontroller
The 83C51KB is a highly integrated keyboard controller designed for the standard and advanced keyboards for desktop PC's. The integration of external components into the microcontroller reduces the overall keyboard control manufacturing cost in terms of the number of components used, the amount of PCB space required, reduced inventory and a reduction in the required assembly activities. Available in 40L PDIP package.

Same instruction set as MCS 51 controllers Synergy.
Preserves code and knowledge investment
Direct drive LED outputs (13mA current sink capability) Reduces parts.
Reduce components cost and board space
20pF on-chip cap for RC resonator (4-6 MHz selectable frequency) Cost effective.
External crystal not required
Integrated power-on-reset circuitry Integration.
Cost and space savings
8 dedicated Key Scan Input pins Efficiency.
With external interrupts for power management
16 dedicated Key Scan Output pins with Quasi-bidirectional port drivers Flexibility.
No external resistors required and flexible board design
Clock/Data drivers to host:
  • - Strong pull-up
  • - 8x42 compatible
  • - Selectable external interrupt for interface clock pin
  • Enhancement.
    Reduce component costs and provide efficient power management and compatibility
    128B RAM with 128 bits that are bit-addressable Control.
    Code flexibility and easier control

    Keyboard Hardware Using 83C51KB

    8XC51GB Microcontroller
    The 8XC51GB is an enhanced version of the 8XC51FA. Added features make it an even more powerful microcontroller for applications that require on-chip A/D, pulse width modulation, high-speed I/O, up/down counting capabilities and memory protection features. It also has a more versatile serial channel that facilitates multiprocessor communications.

    Same instruction set as MCS® 51 microcontrollers and is software compatible with 80C51 Synergy.
    Preserves design team knowledge and investment; no training required
    Enhanced interrupt structure with:
  • - 15 vectors (7 external, 8 internal)
  • - 4 programmable priority-level applications
  • Flexibility.
    Flexible and comprehensive interrupt handling capacity for interrupt-intensive applications; reduces CPU overhead to define proper interrupt routing for heavy interrupt-driven applications.
    8-channel, 8-bit A/D converter:
  • - eight 8-bit result registers
  • - four programmable modes
  • - automatic comparator reference
  • - trigger input pin
  • A/D conversions.
    Intelligent, accurate A/D conversions allow:
  • - sequential A/D (one per channel)
  • - two start and sequencing modes to address any application need
  • - more precise A/D conversions
  • - minimal CPU overhead, simple interface
  • Two programmable counter arrays Precision.
    Precise event timing measurement and control capabilities
    Half-duplex synchronous serial port Peripherals.
    More I/O peripherals expansion, such as off-chip (EEPROM)

    8XC152JX Microcontroller
    The 8XC152JA/JB/JC/JD, based on the MCS(R) 51 microcontroller architecture core, is a highly integrated, single-chip, 8-bit microcontroller designed for cost-sensitive, high-speed, multi-protocol serial communications. It is ideal for implementing ISDN, LAN and user-defined serial backplane applications.

    Same instruction set as MCS 51 microcontrollers; software compatible with 80C51 Synergy.
    Preserves design team knowledge/investment; no training required
    Fast data transfer with global serial channel Effective.
    High effective data-rate throughput
    Serial protocol Cost effective.
    Cheaper and can be more reliable than parallel communications; easy to add and subtract nodes
    Dual DMA channels Efficient.
    Frees CPU for other tasks; on-chip DMA controller simplifies system design and reduces board space
    SDLC and other HDLC subsets Compatible.
    Supports proprietary and emerging ISDN applications such as PABX linecards and terminal adapters, and other proprietary networks as in programmable logic controllers
    Carrier sense multiple-access/collision detect Compatible.
    Supports IEEE 8023 defined access and other proprietary access methods
    Deterministic collision resolution scheme Unique.
    Determines worst-case access time; allows CSMA/CD to be used in real-time control environments; combines some of the best features of traditional methods-deterministic protocol with no polling overhead

    [*] MCS®

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